<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <title>MapVGL</title>
    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <style>
    html,
    body {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
    }
    #map_container {
        width: 100%;
        height: 100%;
        margin: 0;
    }
    </style>
    <script src="//api.map.baidu.com/api?v=1.0&type=webgl&ak=1XjLLEhZhQNUzd93EjU5nOGQ"></script>
    <script src="//mapv.baidu.com/build/mapv.min.js"></script>
    <script src="https://mapv.baidu.com/gl/examples/static/common.js"></script>
    <script src="https://code.bdstatic.com/npm/mapvgl@1.0.0-beta.119/dist/mapvgl.min.js"></script>
</head>
<body>
    <div id="map_container"></div>
    <script>
    /* global BMapGL */

    /* global Stats */

    /* global mapv */

    /* global mapvgl */

    /* global initMap */

    /* global purpleStyle */
    var map = initMap({
        tilt: 30,
        heading: 0,
        center: [106.529294,29.603177],
        zoom: 14,
        style: purpleStyle
    });

    var view = new mapvgl.View({
        map: map
    });

    var lineLayer = new mapvgl.LineLayer({
        color: 'rgba(255, 71, 26, 0.9)',
        width: 4,
        animation: true,
        duration: 5, // 循环时间2s
        trailLength: 0.6, // 拖尾长度占间隔的0.4
        interval: 0.2 // 粒子长度占线整体长度的0.2
    });

    fetch('./data/car.csv').then(function (rs) {
        return rs.text();
    }).then(function (csvstr) {
        var dataSet = mapv.csv.getDataSet(csvstr);
        var data = dataSet.get();
        data = data.slice(5, 10);

        view.addLayer(lineLayer);
        lineLayer.setData(data);
    });
    </script>
</body>
</html>